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Risk Analysis and ranking of sub-basins in order to locate LIDs for controlling urban flood (case study: district 10 and 11 of Mashhad)

    Authors

    • Hamed Zahedi Khameneh 1
    • Saeed Reza Khodashenas 2

    1 Department of Water Engineering, Ferdowsi University of Mashhad. Mashhad, Iran

    2 Water Engineering Department, Ferdowsi University of Mashhad

,

Document Type : Research Paper

10.22059/jrwm.2021.318778.1571
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Abstract

In this study, the surface water collection systems of districts 10 and 11 of Mashhad were modeled and evaluated using risk analysis. Sub-basins were also ranked in order to locate the implementation of low impact development (LID) practices. The results showed that although the collection system has no particular problem with floods with a two- year return period, it does not have a suitable capacity for floods with a higher return period, so that for floods with 5 and 50 years of return period, it has 80 percent discharge capacity of surface runoff and in these year returns, 29.1 and 38.2 percent of the canals, respectively, face waterlogging and back flow.

In order to final ranking of the sub-basin for prioritizing the location of LID practices, in addition to risk analysis, the sub-basins were classified based on economic priorities, social conditions and land use. The final ranking that 6.6% of the studied sub-basins, which includes 22.8% of the study area are in groups 4 and 5 (the highest Priority). Ranking puts areas with high flood risk under pressure to accept LID control and make an investment in it, as well as benefits areas where are at lower risk of flooding but are more likely to implement LID practices and invest in them.

Keywords

  • Urban floods
  • risk analysis
  • low impact development
  • sub-basins
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Journal of Range and Watershed Managment
Volume 74, Issue 2
September 2021
Pages 373-392
Files
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  • PDF 1.76 M
History
  • Receive Date: 09 February 2021
  • Revise Date: 03 October 2021
  • Accept Date: 17 July 2021
  • First Publish Date: 23 August 2021
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How to cite
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  • BibTeX
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Statistics
  • Article View: 165
  • PDF Download: 102

APA

Zahedi Khameneh, H., & Khodashenas, S. R. (2021). Risk Analysis and ranking of sub-basins in order to locate LIDs for controlling urban flood (case study: district 10 and 11 of Mashhad). Journal of Range and Watershed Managment, 74(2), 373-392. doi: 10.22059/jrwm.2021.318778.1571

MLA

Hamed Zahedi Khameneh; Saeed Reza Khodashenas. "Risk Analysis and ranking of sub-basins in order to locate LIDs for controlling urban flood (case study: district 10 and 11 of Mashhad)". Journal of Range and Watershed Managment, 74, 2, 2021, 373-392. doi: 10.22059/jrwm.2021.318778.1571

HARVARD

Zahedi Khameneh, H., Khodashenas, S. R. (2021). 'Risk Analysis and ranking of sub-basins in order to locate LIDs for controlling urban flood (case study: district 10 and 11 of Mashhad)', Journal of Range and Watershed Managment, 74(2), pp. 373-392. doi: 10.22059/jrwm.2021.318778.1571

VANCOUVER

Zahedi Khameneh, H., Khodashenas, S. R. Risk Analysis and ranking of sub-basins in order to locate LIDs for controlling urban flood (case study: district 10 and 11 of Mashhad). Journal of Range and Watershed Managment, 2021; 74(2): 373-392. doi: 10.22059/jrwm.2021.318778.1571

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